Nicolella-Onniella Association (Phase 3), Bala, Wales, UK: Soudleyan - Marshbrookian, United Kingdom
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Euomphalina
- Platyceratidae
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Cyclonema sp.
Hall 1852
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Strophomenata
- Strophomenida
- Aegiromenidae
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Sericoidea sp.
Lindström 1953
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Strophomenata
- Strophomenida
- Leptestiidae
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Leptestiina sp.
Opik 1933
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Strophomenata
- Strophomenida
- Sowerbyellidae
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Eoplectodonta sp.
Kozlowski 1929
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Strophomenata
- Strophomenida
- Rafinesquinidae
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Macrocoelia sp.
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| synonym of Colaptomena | |||||||
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Leptaena sp.
Dalman 1828
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Strophomenata
- Orthotetida
- Triplesiidae
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Bicuspina sp.
Havlicek 1950
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Rhynchonellata
- Orthida
- Hesperorthidae
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Dolerorthis sp.
Schuchert and Cooper 1931
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Rhynchonellata
- Orthida
- Productorthidae
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Nicolella sp.
Reed 1917
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Rhynchonellata
- Orthida
- Cremnorthidae
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Cremnorthis sp.
Williams 1963
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Rhynchonellata
- Orthida
- Rhactorthidae
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Rhactorthis sp.
Williams 1963
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Rhynchonellata
- Orthida
- Harknessellidae
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Reuschella sp.
Bancroft 1928
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Rhynchonellata
- Orthida
- Dalmanellidae
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Dalmanella sp.
Hall and Clarke 1892
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Howellites sp.
(Bancroft 1945)
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| original and current combination Resserella (Howellites) | |||||||
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Rhynchonellata
- Atrypida
- Cyclospiridae
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Cyclospira sp.
Hall and Clarke 1893
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Rhynchonellata
- Protorthida
- Skenidiidae
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Skenidioides sp.
Schuchert and Cooper 1931
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Trilobita
- Phacopida
- Pterygometopidae
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Estoniops sp.
Mannil 1958
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Chasmops sp.
M'Coy 1849
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Trilobita
- Phacopida
- Acastidae
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Kloucekia sp.
Delo 1935
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Trilobita
- Phacopida
- Calymenidae
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Flexicalymene sp.
Shirley 1936
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| see common names | |||||||
Geography
| Country: | United Kingdom | State/province: | Wales |
| Coordinates: | 53.0° North, 4.0° West (view map) | ||
| Paleocoordinates: | 50.0° South, 18.4° West | ||
| Geographic resolution: | local area |
Time
| Period: | Ordovician | Epoch: | Late/Upper Ordovician |
| Stage: | Sandbian | 10 m.y. bin: | Ordovician 4 |
| *Period: | Late/Upper Ordovician | *Epoch: | Middle Caradoc |
| *International age/stage: | Soudleyan - Marshbrookian | *Local age/stage: | Soudleyan - Marshbrookian |
| Key time interval: | Soudleyan - Marshbrookian | ||
| Age range of interval: | 458.40000 - 454.20000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Gelli-Grin | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: Upper part of Gelli-grin Fm | |||||
Lithology and environment
| Primary lithology: | ooidal lithified "limestone" |
| Secondary lithology: | sandstone |
| Environment: | shoreface |
| Geology comments: Limestone and oolitic, tuffaceous sandstone | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 3370 | ||
| Authorizer: | A. Miller | Enterer: | P. Novack-Gottshall |
| Modifier: | M. Uhen | Research group: | marine invertebrate |
| Created: | 1999-07-31 10:03:26 | Last modified: | 2018-11-26 16:44:49 |
| Access level: | the public | Released: | 1999-07-31 10:03:26 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 165. | M. G. Lockley. 1980. The Caradoc faunal associations of the area between Bala and Dines, North Wales. Bulletin of the British Museum of Natural History (Geology) 33(3):165-235 [A. Miller/P. Novack-Gottshall] |